火车晚点了20分钟。

The ___train was delayed by 20 minutes.

教练正在训练队员如何正确投篮。

The coach is ___training the players how to shoot properly.

我突然想到了一连串的想法。

A ___train of thoughts suddenly came to my mind.

她的婚纱拖尾上装饰着精致的蕾丝。

Her wedding dress had a delicate lace on the ___train.

她每周训练三次为马拉松做准备。

She ___trains three times a week to prepare for the marathon.